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Revenue from Contracts with Customers (Tables) | 12 Months Ended
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Dec. 31, 2020
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | The following table presents a disaggregation of revenue for the years ended December 31:
In millions | 2020 |  | 2019 |  | 2018
Americas |  |  |  |  |
Recurring | $ | 883 |  |  | $ | 873 |  |  | $ | 801 |
Perpetual software licenses and hardware | 36 |  |  | 38 |  |  | 127 |
Consulting services | 106 |  |  | 146 |  |  | 198 |
Total Americas | 1,025 |  |  | 1,057 |  |  | 1,126 |
EMEA |  |  |  |  |
Recurring | 362 |  |  | 305 |  |  | 282 |
Perpetual software licenses and hardware | 23 |  |  | 43 |  |  | 112 |
Consulting services | 100 |  |  | 144 |  |  | 193 |
Total EMEA | 485 |  |  | 492 |  |  | 587 |
APJ |  |  |  |  |
Recurring | 206 |  |  | 185 |  |  | 171 |
Perpetual software licenses and hardware | 14 |  |  | 25 |  |  | 101 |
Consulting services | 106 |  |  | 140 |  |  | 179 |
Total APJ | 326 |  |  | 350 |  |  | 451 |
Total Revenue | $ | 1,836 |  |  | $ | 1,899 |  |  | $ | 2,164 |
Schedule of Receivables, Contract Assets, and Deferred Revenue from Contracts with Customers | The following table provides information about receivables, contract assets and deferred revenue from contracts with customers:
In millions | December 31, 2020 |  | December 31, 2019
Accounts receivable, net | $ | 331 |  |  | $ | 398 |
Contract assets | $ | 11 |  |  | $ | 8 |
Current deferred revenue | $ | 499 |  |  | $ | 472 |
Long-term deferred revenue | $ | 38 |  |  | $ | 61 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction | The following table includes estimated revenue expected to be recognized in the future related to the Company's unsatisfied (or partially satisfied) obligations at December 31, 2020:
In millions |  | Total at December 31, 2020 |  | Year 1 |  | Year 2 and Thereafter
Remaining unsatisfied obligations |  | $ | 2,921 |  |  | $ | 1,538 |  |  | $ | 1,383 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
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- Definition Tabular disclosure of expected timing for satisfying remaining performance obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045 + Details
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